c#自定义简单web服务器

今天偶尔遇到需要用socket类，封装了一个简单web server

使用方法：

 HttpServer hs = new HttpServer(IPAddress.Any, 16888,"d:/web", 10);//最后一个参数为队列长度（最多同时运行几个连接）
            hs.StartServer();

然后可以用浏览器访问http://local:16888/index.html 或者 http://127.0.0.1:16888/index.html访问了

需要的namespace:

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

服务器类：

 class HttpServer
    {
        private Socket socketmain;
        private string ServerPath;
        private Dictionary<string, string> extensions = new Dictionary<string, string>()
   { 
    //{ "extension", "content type" }
    { "htm", "text/html" },
    { "html", "text/html" },
    { "xml", "text/xml" },
    { "txt", "text/plain" },
    { "css", "text/css" },
    { "png", "image/png" },
    { "gif", "image/gif" },
    { "jpg", "image/jpg" },
    { "jpeg", "image/jpeg" },
    { "zip", "application/zip"},
    { "rar", "application/rar"}
  };
        private void Send(Socket socketChildren, string filename)
        {
            string ex = Path.GetExtension(filename).Substring(1);
            if (extensions.ContainsKey(ex))
            {
                if (File.Exists(ServerPath + filename))
                {
                    byte[] bytes2 = File.ReadAllBytes(ServerPath + filename);
                    sendResponse(socketChildren, bytes2, "200", extensions[ex]);
                }
                else
                {
                    byte[] bytes = Encoding.UTF8.GetBytes("HELLO!NO FOUND:" + filename);
                    sendResponse(socketChildren, bytes, "404", "text/html");
                }
            }
            else
            {
                byte[] bytes = Encoding.UTF8.GetBytes("HELLO!NO FOUND:" + filename);
                sendResponse(socketChildren, bytes, "404", "text/html");
            }
        }
        private void sendResponse(Socket clientSocket, byte[] bContent, string responseCode,
                         string contentType)
        {
            try
            {
                byte[] bHeader = Encoding.UTF8.GetBytes(
                                    "HTTP/1.1 " + responseCode + "\r\n"
                                  + "Server: X Server v1.0\r\n"
                                  + "Content-Length: " + bContent.Length.ToString() + "\r\n"
                                  + "Connection: close\r\n"
                                  + "Content-Type: " + contentType + "\r\n\r\n");
                clientSocket.Send(bHeader);
                clientSocket.Send(bContent);
                clientSocket.Close();
            }
            catch { }
        }
        public HttpServer(IPAddress ip, int port,string ServerPath, int RanksLength)
        {
            this.ServerPath = ServerPath;
            socketmain = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            socketmain.Bind(new IPEndPoint(ip, port));
            socketmain.Listen(RanksLength);
        }
        public void StartServer()
        {
            Thread t = new Thread(Run);
            t.IsBackground = true;
            t.Start();
        }
        private void Run(object obj)
        {
            while (true)
            {
                Socket socketChildren = socketmain.Accept();
                Thread t = new Thread(OpenConn);
                t.IsBackground = true;
                t.Start(socketChildren);
            }
        }
        private void OpenConn(object obj)
        {
            Socket socketChildren = obj as Socket;
            while (true)
            {

                if (socketChildren.Connected == false)
                    break;
                byte[] bts = new byte[1024 * 1024 * 5];
                int p = socketChildren.Receive(bts);
                string data = Encoding.UTF8.GetString(bts, 0, p);
                string filename = data.Substring(data.IndexOf("GET /") + 5).Substring(0, data.IndexOf(" HTTP/1.1") - 5);
                Send(socketChildren, filename);
            }
        }
    }